Dorrell, J. (1993). Resource-based learning: Using open and flexible learning resources for continuous development. McGraw-Hill Book.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDorrell, Julie. Resource-based Learning: Using Open and Flexible Learning Resources for Continuous Development. London: McGraw-Hill Book, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDorrell, Julie. Resource-based Learning: Using Open and Flexible Learning Resources for Continuous Development. McGraw-Hill Book, 1993.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.